body{
  margin: 0;
  padding: 0;
  overflow: clip;
  background: #1B2021;
}
.container{
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background-size: cover;
  display: flex;
  justify-content: center;
  align-items: center;
}
main{
  display: flex;
  height: 100vh;
}

canvas{
  margin: auto;
  height: 100%;
}